Friday the Centers for Disease Control and Prevention said the salads linked to a listeria outbreak resulting in one person’s death and at least twelve people hospitalized were sold under various names. The packaged salads have been linked to a processing plant in Springfield Ohio run by Dole. The person who died was from Michigan, and the people hospitalized were from six states, Michigan, Massachusetts, New York, Pennsylvania, New Jersey and Indiana.

The CDC said they began receiving reports about infections beginning in July and began an investigation in September. At the time the source of the infections was unknown, until this January when lab results confirmed the source was salads collected from the Springfield, Ohio processing facility. The U.S. Food and Drug Administration issued a recall on Friday in the states where people have been hospitalized and there was included a voluntary recall in numerous states including: Connecticut, Maryland, Virginia, North Carolina, Tennessee, Georgia, Florida, Alabama, Louisiana, Kentucky, Ohio, Illinois, Missouri, Mississippi, Minnesota and Wisconsin. There were three Canadian provinces that voluntarily recalled the packaged salad: Quebec, Ontario and New Brunswick.